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DS18 PRO-X8.4BMSL
8” Slim Mid-Range Loudspeaker with Bullet Tweeter
At just 2.71” mounting depth, DS18’s PRO-X8.4BMSL delivers full-size performance in places most drivers can’t fit.
Loud Output
This speaker’s slim mounting depth makes it perfect for doors, custom pods, or stacked wall builds. With 250W RMS / 500W MAX power handling and 95dB sensitivity, the PRO-X8.4BMSL gives you full-volume output even on limited power.
Coaxial Design
The integrated aluminum bullet tweeter boosts your highs without needing extra drivers. Paired with a stiff non-pressed paper cone, you get clean vocals and aggressive attack across the 80Hz–12kHz range.
Built for Pressure
The PRO-X8.4BMSL’s steel basket adds strength and stability, so the internal components stay rigid at high volumes. The ferrite magnet powers deeper midbass drops, and the 1.5” Kapton voice coil resists heat and distortion when you’re pushing hard.
Most slim speakers cut corners. DS18’s PRO-X8.4BMSL raises the bar
| Nominal Diameter | 8" / 203mm |
|---|---|
| Nominal Impedance | 4 ohms |
| RMS Power Handling | 250W |
| MAX Power Handling | 500W |
| Sensitivity (1w/1m) | 95db |
| Frequency Response | 80Hz - 12kHz |
| Recommended HI Pass Crossover | 120Hz |
| Sold in Pair or Single | Single |
| Grill Included | No |
| Voice Coil Diameter | 1.5" / 38.1mm |
| Voice Coil Former Material | Kapton |
| Winding Material | CCAW |
| Cone Material | Non-Pressed Paper |
| Bullet Material | Aluminum |
| Bullet Color / Finish | Gloss Red |
| Surround Material | Cloth |
| Basket Material | Steel |
| Basket Finish / Color | Gloss Red |
| Magnet Material | Ferrite |
| Magnet Weight | 21 Oz |
| Equivalent Volume | 13.2L / 0.468ft3 |
| Excursion (one way) | 1.5mm |
| Free Air Resonance | 100Hz |
| Mechanical Factor | 9.769 |
| Electrical Factor | 0.733 |
| Total Factor | 0.682 |
| Mechanical Mass | 11.703g |
| Mechanical Compliance | 0.204mm/N |
| BL Factor | 5.74 |
| Voice Coil Inductance | 0.214mH |
| Cone Area | 213.8Cm2 |
| DC Resistance | 3.3ohms |
| Overall Diameter | 8.23" / 209mm |
| Overall Depth | 2.96" / 75mm |
| Front Mount Baffle Cutout | 7" / 180mm |
| Mounting Depth | 2.71" / 69mm |
| Motor Diameter | 4.3" / 110mm |
Most products ship directly from our vendor warehouses or distributor network. Shipping times can vary depending on the brand, product size, availability, and destination.
Large or oversized items such as lift kits, wheels, tires, bumpers, exhaust systems, and audio enclosures may require additional handling time or freight shipping.
If there is ever an issue with availability, shipping cost, or delivery timing, we will contact you before moving forward with the order.
Returns may be accepted on most new, unused, unopened items within 30 days of delivery. Items must be in original packaging and in resellable condition.
Installed, used, damaged, missing-parts, electrical, special-order, clearance, or custom-built items may not be eligible for return.
Return shipping is normally the customer’s responsibility unless the return is due to our mistake, such as the wrong item being shipped.
Before sending anything back, please contact Kaos Offroad so we can review the order and provide return instructions. Returns sent without approval may be refused.
Some products are vehicle-specific. Please verify fitment before ordering. If you are unsure, contact us with your year, make, model, sub-model, and any relevant details before purchasing.
Original shipping charges, freight charges, and vendor restocking fees may be non-refundable depending on the item and supplier policy.








